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Temperature Dependence of the UV Spectrum of 1,5‐Dimethyl‐2,6‐semibullvalenedicarbonitrile; Evidence for an Equilibrium with a Delocalized, Homoaromatic Isomer
Author(s) -
Quast Helmut,
Christ Josef
Publication year - 1984
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.198406311
Subject(s) - delocalized electron , chemistry , molecule , spectrum (functional analysis) , electron , photochemistry , chemical physics , atomic physics , physics , organic chemistry , quantum mechanics
Formation of the bishomoaromatic species 2, a system with delocalized electrons , from the isomeric semibullvalene 1 can be deduced from the temperature‐dependent reversible changes in the UV spectrum. 2 is defined molecule and not the transition state in the Cope rearrangement of 1 .
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